all interesting guys now to make the perfect coil winder ! haha On 20 September 2014 08:25, Roland Jollivet <roland.jolli...@gmail.com> wrote:
> Don't use a needle.. You can't get any tension without damaging the wire > and making it kinky. Rather look at the method of sewing machines. They > tension the string, and use smooth eyelets. > > You want the wire to exit a large radius'ed flare. The wire should be > restricted before the nozzle/flare. You'll also want a stay of sorts. > > Imagine doing it by hand. You 'lay' the wire through, then loop it around > your finger to keep the tension as you 'lay' it back across. Then you > remove your finger, and pull it taut. Now you put your finger on the other > side to keep it taut again. > > Doesn't sound too hard to automate... > > Roland > > > > > On 19 September 2014 22:19, Ralph Stirling <ralph.stirl...@wallawalla.edu> > wrote: > > > Nice video. The difficulty we had with the needle winding method > > was that the needle won't fit between the teeth of small stators, > > especially on the last tooth, where you have two full teeth on either > > side. Also, if you try to pack as much wire on as you can, it becomes > > very difficult to get the needle in. If you watch a video of a skilled > > hand motor winder packing wire in, you will see him (or her) use a > > small wooden wedge to help flatten the wire between teeth to make > > room for the next layer. That is a tough operation to automate. > > > > If you do try to do this, look up a place called Cosmos USA, which > > makes polished wire nozzles that reduce the abrasion at the tip as > > the wire exits at a sharp angle. > > > > http://www.cosmos-na.com/Coil%20Winding%20Nozzle%20Introduction.html > > > > -- Ralph > > ________________________________________ > > From: Rene Hopf [reneh...@mac.com] > > Sent: Friday, September 19, 2014 12:20 PM > > To: Enhanced Machine Controller (EMC) > > Subject: Re: [Emc-users] brushless motor coil winder > > > > winding a gimbal motor with a 4th axis on a 3d printer. > > https://www.youtube.com/watch?v=DCKl3B-guSs > > > > cpp program for gcode is available on his website. > > > > Rene > > > > On 19 Sep 2014, at 19:59, David Armstrong <cncbas...@gmail.com> wrote: > > > > > Thanks Ralph, > > > certianly given me some ideas, and just as i thought not as easy as > first > > > thoughts > > > > > > On 19 September 2014 17:59, <p...@wpnet.us> wrote: > > > > > >> > > >> Picture here: > > >> http://gympiemodelflyers.wordpress.com/articles/brushless-motors/ > > >> > > >> ------Original Mail------ > > >> From: "Dave Caroline" <dave.thearchiv...@gmail.com> > > >> To: "Enhanced Machine Controller (EMC)" < > > emc-users@lists.sourceforge.net> > > >> Sent: Fri, 19 Sep 2014 17:53:53 +0100 > > >> Subject: Re: [Emc-users] brushless motor coil winder > > >> > > >> I do have one relevant picture already though, this shows they are > > >> wound before placing on the armature and field for tis particular > > >> design > > >> > > >> http://www.collection.archivist.info/archive/Lucas/PS/PA11/ps1636.jpg > > >> > > >> Dave > > >> > > >> On 19/09/2014, Dave Caroline <dave.thearchiv...@gmail.com> wrote: > > >>> Thinking of thick wire, I do have some as yet unscanned pictures of > > >>> (Lucas) starter motor winding machines. > > >>> > > >>> Dave Caroline > > >>> > > >>> On 19/09/2014, Kirk Wallace <kwall...@wallacecompany.com> wrote: > > >>>> On 09/19/2014 09:11 AM, Dave Caroline wrote: > > >>>>> I dont think it is much worse than any other, you just join the > > groups > > >>>>> of coils together differently. > > >>>>> > > >>>>> Often the coils are wound off the rotor/stator and then mounted and > > >>>>> varnished to keep steady. > > >>>>> > > >>>>> Reverse engineer (unwind) one to see how they did it. > > >>>>> > > >>>>> > > >>>>> Dave Caroline > > >>>>> > > >>>>> On 19/09/2014, David Armstrong <cncbas...@gmail.com> wrote: > > >>>>>> Guys, > > >>>>>> iv'e been asked to come up with a coil winder for rc brushless > > motors > > >>>>>> has anyone done such a winder , specific to rc brushless ,as these > > are > > >>>>>> 3 > > >>>>>> phases > > >>>>>> i fear it could get complicated > > >>>>>> > > >>>>>> Dave > > >>>> > > >>>> The RC motors I'm familiar with use a few turns of very thick wire > and > > >>>> would be a bear to wind mechanically. There may be a way to wind a > > coil > > >>>> off the core then install it to the stator leg, but this not ideal. > > >>>> Maybe form C shapes and weld them into a coil after they are > > installed? > > >>>> > > >>>> > > >>>> -- > > >>>> Kirk Wallace > > >>>> http://www.wallacecompany.com/machine_shop/ > > >>>> http://www.wallacecompany.com/E45/ > > >>>> > > >>>> > > >> > > > ------------------------------------------------------------------------------ > > >>>> Slashdot TV. Video for Nerds. Stuff that Matters. > > >>>> > > >> > > > http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk > > >>>> _______________________________________________ > > >>>> Emc-users mailing list > > >>>> Emc-users@lists.sourceforge.net > > >>>> https://lists.sourceforge.net/lists/listinfo/emc-users > > >>>> > > >>> > > >> > > >> > > >> > > > ------------------------------------------------------------------------------ > > >> Slashdot TV. Video for Nerds. Stuff that Matters. > > >> > > >> > > > http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk > > >> _______________________________________________ > > >> Emc-users mailing list > > >> Emc-users@lists.sourceforge.net > > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > >> > > >> > > >> > > >> > > > ------------------------------------------------------------------------------ > > >> Slashdot TV. Video for Nerds. Stuff that Matters. > > >> > > >> > > > http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk > > >> _______________________________________________ > > >> Emc-users mailing list > > >> Emc-users@lists.sourceforge.net > > >> https://lists.sourceforge.net/lists/listinfo/emc-users > > >> > > > > > > ------------------------------------------------------------------------------ > > > Slashdot TV. Video for Nerds. Stuff that Matters. > > > > > > http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk > > > _______________________________________________ > > > Emc-users mailing list > > > Emc-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > > > ------------------------------------------------------------------------------ > > Slashdot TV. Video for Nerds. Stuff that Matters. > > > > > http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > > ------------------------------------------------------------------------------ > > Slashdot TV. Video for Nerds. Stuff that Matters. > > > > > http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > ------------------------------------------------------------------------------ > Slashdot TV. Video for Nerds. Stuff that Matters. > > http://pubads.g.doubleclick.net/gampad/clk?id=160591471&iu=/4140/ostg.clktrk > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Slashdot TV. Video for Nerds. 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